* Add RAY.CONNECT Redis command.
* Add RAY.GET_CLIENT_ADDRESS command.
* Build and clean Redis in common Makefile.
* Use custom Redis module in Ray and use custom CONNECT and GET_CLIENT_ADDRESS commands.
* Fixes.
* Remove mapping from redis client ID to ray db client ID.
* Fix.
* Build Ray with setup.py.
* Building photon extensions with cmake.
* Fix formatting in photon_extension.c
* Pip install with sudo in Travis.
* Fix plasma __init__.py.
* Rename and remove some files.